var Label = React.createClass({
  propTypes: {
    label: React.PropTypes.string
  },
    getInitialState: function() {
        return {label: ''}
    },
    handleClick: function(event) {
        this.setState({label: "good label"})
    },
  render: function() {
    return (
      <div onClick={this.handleClick}>
        <span onClick={this.handleClick} className="btn btn-primary" >{this.props.label}</span>
      </div>
    );
  }
});
